Functioning as a verb and purportedly the past tense of "snow," the term was popularized by ufck.org poster jay. in February of 2006. Linguists speculate that the misuse might mirror the evolution of "irregardless" and imbed itself into popular lexicon.

winter hasn't been bad so far actually. it snew a couple times, but it hasn't been super super cold really at all. well there was one snap where it was but that's it.